13225229 has 2 divisors, whose sum is σ = 13225230. Its totient is φ = 13225228.

The previous prime is 13225217. The next prime is 13225237. The reversal of 13225229 is 92252231.

13225229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6620329 + 6604900 = 2573^2 + 2570^2 .

It is an emirp because it is prime and its reverse (92252231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13225229 - 2⁴ = 13225213 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13225198 and 13225207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13225259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6612614 + 6612615.

It is an arithmetic number, because the mean of its divisors is an integer number (6612615).

Almost surely, 2^13225229 is an apocalyptic number.

It is an amenable number.

13225229 is a deficient number, since it is larger than the sum of its proper divisors (1).

13225229 is an equidigital number, since it uses as much as digits as its factorization.

13225229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 26.

The square root of 13225229 is about 3636.6507943436. The cubic root of 13225229 is about 236.4836211647.

The spelling of 13225229 in words is "thirteen million, two hundred twenty-five thousand, two hundred twenty-nine".